<html><body><h1>503 Service Unavailable</h1>

<p>W3C's serving capacity for various XML schemata (.dtd, .mod, .ent,
.xsd) is exceeded at present.</p>

<p>For more background please refer to <a
href="http://www.w3.org/blog/systeam/2008/02/08/w3c_s_excessive_dtd_traffic">our
article on the subject</a>, there are some platform specific solutions
given in the comments section.</p>

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